Fastest Solana WebSocket slotSubscribe push, live slot-push lag across RPC providers

Solana leads slot push lag at 0.3 ms (p50, 24h) on Fastest Solana WebSocket slotSubscribe push, live slot-push lag across RPC providers. Per-slot WebSocket push lag in milliseconds versus the earliest provider to deliver the same Solana slot, measured continuously from one eu-west vantage point.